Click here for Subtraction with Negative Numbers!

What does One minus Zero equal?

Note: If audio clip does not play correctly first time,
please click the button to play it again.

Congratulations!
One minus Zero equals One


Hmm, I don't think that One - Zero = Seven


Hmm, I don't think that One - Zero = Three


Free online subtraction game for children.
Kids learn mousing skills while learning subtraction on this educational web based game.